Backpack



FIG. 1 is a front perspective view of the backpack, showing the newdesign in a closed position;

FIG. 2 is a front elevational view of FIG. 1;

FIG. 3 is a rear elevational view of FIG. 1;

FIG. 4 is a left-side elevational view of FIG. 1;

FIG. 5 is a right-side elevational view of FIG. 1;

FIG. 6 is a top plan view of FIG. 1;

FIG. 7 is a bottom plan view of FIG. 1;

FIG. 8 is a perspective view thereof, illustrated in an open position;and,

FIG. 9 is a rear perspective view of FIG. 1.

The broken lines representing a logo in the FIGS. 1 and 2, circularhardware in FIG. 6, and internal portions of the backpack in FIG. 8depict portions of the article and form no part of the claimed design.The remaining broken lines represent stitching and do form part of theclaimed design.

CLAIM I claim the ornamental design for a backpack, as shown anddescribed.